TMS320C6472ECTZ datasheet(40/269 Pages) TI1

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TMS320C6472

SPRS612G

– JUNE 2009 – REVISED JULY 2011

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Table 2-5. Terminal Functions (continued)

SIGNAL

TYPE(1)

IPD/IPU(2) (3)

DESCRIPTION

NAME

NO.

RSV15

A20

RSV16

L29

RSV17

L28

RSV18

E19

RSV19

E18

RSV20

R26

RSV21

E26

RSV22

B24

RSV23

B23

RSV24

RSV25

SUPPLY VOLTAGE MONITOR PINS

Die-side core supply (CVDD) voltage monitor pin. The monitor pins

indicate the voltage on the die and, therefore, provide the best

probe point for voltage monitoring purposes. For more information

regarding the use of this and other voltage monitoring pins, see

CVDDMON

AE9

the TMS320C6472/TMS320TCI6486 Hardware Design Guide

application report (literature number SPRAAQ4). If the CVDDMON

pin is not used, it should be connected directly to the die-side

core supply (CVDD).

Die-side 1.5-/1.8-V I/O supply (DVDD15) voltage monitor pin. The

monitor pins indicate the voltage on the die and, therefore,

provide the best probe point for voltage monitoring purposes. For

more information regarding the use of this and other voltage

monitoring pins, see the TMS320C6472/TMS320TCI6486

Hardware Design Guide application report (literature number

SPRAAQ4). If the DVDD15MON pin is not used, it should be

DVDD15MON

AG13

connected directly to the 1.5-/1.8-V I/O supply (DVDD15).

NOTE: If the RGMII mode of the EMAC is not used, the DVDD15,

DVDD15MON, VREFHSTL, PTV15P, PTV15N, and HHV15EN pins

can be NC or connected directly to VSS (GND) to save power.

However, connecting these pins in this way will prevent

boundary-scan from functioning on the RGMII pins of the EMAC.

To preserve boundary-scan functionality on the RGMII pins, see

Section 7.3.3.

Die-side 1.8-V I/O supply (DVDD18) voltage monitor pin. The

monitor pins indicate the voltage on the die and, therefore,

provide the best probe point for voltage monitoring purposes. For

more information regarding the use of this and other voltage

monitoring pins, see the TMS320C6472/TMS320TCI6486

Hardware Design Guide application report (literature number

SPRAAQ4). If the DVDD18MON pin is not used, it should be

connected directly to the 1.8-V I/O supply (DVDD18).

DVDD18MON

D12

When DDR is used, connect to DVDD18 (1.8V)

NC or connected to VSS, if DDR is not used

NOTE: If the DDR2 Memory Controller is not used, the DVDD18,

DVDD18MON, VREFSSTL, AVDD3, AVDD4, CVDD1, PTV18P, PTV18N,

and HHV18EN pins can be NC or connected directly to VSS

(GND) to save power. However, connecting these pins this way

prevents boundary scan from functioning on the DDR2 Memory

Controller pins. To preserve boundary-scan functionality on the

DDR2 Memory Controller pins, see Section 7.3.3.

Die-side 3.3-V I/O supply (DVDD33) voltage monitor pin. The

monitor pins indicate the voltage on the die and, therefore,

provide the best probe point for voltage monitoring purposes. For

more information regarding the use of this and other voltage

DVDD33MON

monitoring pins, see the TMS320C6472/TMS320TCI6486

Hardware Design Guide application report (literature number

SPRAAQ4). If the DVDD33MON pin is not used, it should be

connected directly to the 3.3-V I/O supply (DVDD33).

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